. The comparative physiology of respiratory mechanisms. Respiration. 20 30 40 50 60 70 80 90 100 Oxygen pressure in mm. Hg Fig. 60. Oxygen dissociation curves for blood of electric eel at C02 tensions from 0 to 25 mm. (Willmer.) u 45 45 N 40 40 n u 35 35 N o 30 30 •" u 25 25 c 0 20 20 O 1 ) —> !5 15 c C3 in 10 10 3 in \n 5 5 a, t ? mm. cc. o Hg per u litre CO, too high|Aeidaemia(?)) Gill operculum actively closed . u . :• kept vntu". C02 content too lo I 2 3 4 5cc. per litre 27 54 , 81 108 « Oxygen pressures and oxygen content of water at 260 C. Fig. 61. Diagram to illustra
. The comparative physiology of respiratory mechanisms. Respiration. 20 30 40 50 60 70 80 90 100 Oxygen pressure in mm. Hg Fig. 60. Oxygen dissociation curves for blood of electric eel at C02 tensions from 0 to 25 mm. (Willmer.) u 45 45 N 40 40 n u 35 35 N o 30 30 •" u 25 25 c 0 20 20 O 1 ) —> !5 15 c C3 in 10 10 3 in \n 5 5 a, t ? mm. cc. o Hg per u litre CO, too high|Aeidaemia(?)) Gill operculum actively closed . u . :• kept vntu". C02 content too lo I 2 3 4 5cc. per litre 27 54 , 81 108 « Oxygen pressures and oxygen content of water at 260 C. Fig. 61. Diagram to illustrate the respiratory behaviour of the yarrow in water with different concentrations of 02 and C02 and its possible explanation. See text. (Willmer.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Krogh, August, 1874-1949. Philadelphia, University of Pennsylvania press
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